c-blosc2:decompress_frame_fuzzer: Use-of-uninitialized-value in get_coffset

Project: https://github.com/Blosc/c-blosc2.git Detailed Report: https://oss-fuzz.com/testcase?key=4998749188587520 Project: c-blosc2 Fuzzing Engine: libFuzzer Fuzz Target: decompressframefuzzer Job Type: libfuzzermsanc-blosc2 Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address...

c-blosc2:decompress_frame_fuzzer: Heap-buffer-overflow in frame_to_schunk

Project: https://github.com/Blosc/c-blosc2.git Detailed Report: https://oss-fuzz.com/testcase?key=4600686351548416 Project: c-blosc2 Fuzzing Engine: afl Fuzz Target: decompressframefuzzer Job Type: aflasanc-blosc2 Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address:...

[SECURITY] Fedora 42 Update: python-ujson-5.12.0-1.fc42

UltraJSON is an ultra fast JSON encoder and decoder written in pure C with bindings for Python...

[SECURITY] Fedora 44 Update: python-ujson-5.12.0-1.fc44

UltraJSON is an ultra fast JSON encoder and decoder written in pure C with bindings for Python...

[SECURITY] Fedora 43 Update: cpp-httplib-0.37.1-2.fc43

A C++11 single-file header-only cross platform HTTP/HTTPS library. It's extremely easy to setup. Just include the httplib.h file in your code!...

EUVD-2026-13796

Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response from the configured DNS server, result in a violation of the DNS specification that causes the...

CVE-2026-4437

Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response from the configured DNS server, result in a violation of the DNS specification that causes the...

CVE-2026-4437

Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response from the configured DNS server, result in a violation of the DNS specification that causes the...

UBUNTU-CVE-2026-4438

Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the caller in violation of the DNS specification...

CVE-2026-4438 gethostbyaddr and gethostbyaddr_r return invalid DNS hostnames

Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the caller in violation of the DNS specification...

CVE-2026-4438 gethostbyaddr and gethostbyaddr_r return invalid DNS hostnames

Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the caller in violation of the DNS specification...

CVE-2026-4438

Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the caller in violation of the DNS specification...

CVE-2026-4437 gethostbyaddr and gethostbyaddr_r may incorrectly handle DNS response

Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response from the configured DNS server, result in a violation of the DNS specification that causes the...

CVE-2026-4437

Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response from the configured DNS server, result in a violation of the DNS specification that causes the...

OESA-2026-1638 cpp-httplib security update

A C++11 single-file header-only cross platform HTTP/HTTPS library. It's extremely easy to setup. Just include httplib.h file in your code! Security Fixes: cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.37.1, when a cpp-httplib client uses the...

OESA-2026-1641 libarchive security update

is an open-source BSD-licensed C programming library that provides streaming access to a variety of different archive formats, including tar, cpio, pax, zip, and ISO9660 images. The distribution also includes bsdtar and bsdcpio, full-featured implementations of tar and cpio that use . Security...

CVE-2026-4437: Out-of-bounds Read

Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response from the configured DNS server, result in a violation of the DNS specification that causes the...

GNU C Library security vulnerabilities

The GNU C Library is an open-source, free C programming language library published by the GNU community under the LGPL license. Versions of the GNU C Library 2.34 to 2.43 contained security vulnerabilities. These vulnerabilities occurred because the gethostbyaddr or gethostbyaddrr functions might...

PT-2026-26794

Name of the Vulnerable Software and Affected Versions Zen C versions prior to 0.4.4 Description A stack-based buffer overflow exists in the Zen C compiler. This issue is due to a flaw in identifier mangling. By supplying a specially crafted Zen C source file .zc containing excessively long struct...

Linux Distros Unpatched Vulnerability : CVE-2026-4437

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2....